205201244 has 6 divisors (see below), whose sum is σ = 359102184. Its totient is φ = 102600620.

The previous prime is 205201231. The next prime is 205201247. The reversal of 205201244 is 442102502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205201247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25650152 + ... + 25650159.

It is an arithmetic number, because the mean of its divisors is an integer number (59850364).

Almost surely, 2^205201244 is an apocalyptic number.

It is an amenable number.

205201244 is a deficient number, since it is larger than the sum of its proper divisors (153900940).

205201244 is a wasteful number, since it uses less digits than its factorization.

205201244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51300315 (or 51300313 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 205201244 is about 14324.8470846987. The cubic root of 205201244 is about 589.8297354138.

Adding to 205201244 its reverse (442102502), we get a palindrome (647303746).

The spelling of 205201244 in words is "two hundred five million, two hundred one thousand, two hundred forty-four".